Potassium-Enriched Salt Reduces Risk of Recurrent Stroke: Clinical Trial Insights

A recent study published in JAMA Cardiology shows that replacing regular salt with potassium-enriched salt can help reduce the risk of recurrent stroke and lower mortality rates. The study was part of the Salt Substitute and Stroke Study (SSaSS) conducted in rural northern China, a region with high stroke recurrence due to excessive sodium intake and low potassium consumption.

What the Study Found

The clinical trial included 15,249 stroke survivors from 600 villages in rural China. Participants replaced their regular salt with a mix of 75% sodium chloride and 25% potassium chloride.

Key Findings:

14% lower risk of recurrent stroke in the potassium-enriched salt group compared to the regular salt group.
30% reduction in hemorrhagic stroke (bleeding in the brain).
21% fewer stroke-related deaths.
Lower systolic blood pressure in those using potassium-enriched salt.
No significant difference in hyperkalemia (high potassium levels) between the groups, confirming the safety of this intervention.

Why This Matters

Stroke is one of the leading causes of death and disability worldwide, particularly in low- and middle-income countries. Recurrent stroke is a major concern, with up to 41% of patients experiencing another stroke within five years. High sodium intake is a key risk factor, making salt reduction a crucial preventive strategy.

Potassium-Enriched Salt: A Simple and Affordable Solution

This study confirms that switching to potassium-enriched salt is an effective, low-cost intervention to reduce stroke risk and improve survival among stroke survivors. It is particularly valuable in regions with limited access to preventive health care.

How Doctors Can Help

Encourage patients to reduce sodium intake and consider potassium-enriched salt substitutes.
Monitor blood pressure and other risk factors in stroke survivors.
Educate patients on lifestyle modifications, including healthy eating habits, to prevent recurrent strokes.

For healthcare professionals, it’s time to promote dietary changes that can save lives. Share these findings with your patients and explore the benefits of potassium-enriched salt as part of stroke prevention strategies.

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